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5 Written questions

5 Matching questions

  1. Pack Ice
  2. Thermocline
  3. Trace Elements
  4. Aquaculture
  5. Nekton
  1. a A floating layer of sea ice that completely covers an area of the ocean surface.
  2. b The raising of aquatic plants and animals for human use or consumption.
  3. c All organisms that swim actively in open water, independent of currents
  4. d A layer in a body of water in which water temperature drops with increased depth faster than it does in other layers.
  5. e Elements that exist in very small amounts.
    ex: gold, zinc, and phosphorus.

5 Multiple choice questions

  1. The movement of deep, cold, and nutrient-rich water to the surface.
  2. The mass of mostly microscopic organisms that float or drift freely in the waters of aquatic (freshwater and marine) environments.
  3. Extends into the deep waters beyond the continental shelf.
  4. Organisms that live at the bottom of oceans or bodies of fresh water.
  5. The bottom region of oceans and bodies of fresh water.

5 True/False questions

  1. Bathyal ZoneBegins at the continental slope and extends to a depth of 4,000 meters.
    animals that live there: octopi, sea stars, and brachiopods.

          

  2. Abyssal ZoneBegins at the continental slope and extends to a depth of 4,000 meters.
    animals that live there: octopi, sea stars, and brachiopods.

          

  3. DistillationA process of removing salt from ocean water.

          

  4. Neritic ZoneThe area of the pelagic zone above the continental shelves. Has abundant sunlight, moderate temperatures, and relatively low water pressure.

          

  5. PhytoplanktonMicroscopic plants in the ocean that provide food to many of the ocean's organisms.

          

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